he has been on the stand all morning, sticking to his defense. these proceedings expected to end by the weekend. he could go to jail for four years. but he's asked the pope for a pardon. that's very likely, we're told, what will happen. george? >> jeffrey, thanks. potentially explosive trial there. >> sounds like something out of a movie. >>> now, to a disturbing story out of san diego seaworld, where a killer whale is recovering from a mysterious wound. the big question, did it come from an accident? or from an attack from another whale? abc's cecilia vega has the story. >> reporter: this is what orcas do best at seaworld san diego, put on a killer show. but now, an 11-year-old killer whale at the park is injured, with a gaping whole so big, you can see his exposed jawbone. seaworld says he was injured when he somehow came in contact with a portion of the pool. but animal rights activist says an anonymous whistleblower told them that he was attacked by other orcas. >> you can't keep three males together in a fish pond. they'll have nowhere to go